MIPS: Fix LLVM build issue.
[linux-2.6-block.git] / fs / nfs / nfs4getroot.c
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1/*
2* Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
3* Written by David Howells (dhowells@redhat.com)
4*/
5
6#include <linux/nfs_fs.h>
7#include "nfs4_fs.h"
d6aa6a81 8#include "internal.h"
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9
10#define NFSDBG_FACILITY NFSDBG_CLIENT
11
5e6b1990 12int nfs4_get_rootfh(struct nfs_server *server, struct nfs_fh *mntfh, bool auth_probe)
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13{
14 struct nfs_fsinfo fsinfo;
15 int ret = -ENOMEM;
16
17 dprintk("--> nfs4_get_rootfh()\n");
18
19 fsinfo.fattr = nfs_alloc_fattr();
20 if (fsinfo.fattr == NULL)
21 goto out;
22
23 /* Start by getting the root filehandle from the server */
5e6b1990 24 ret = nfs4_proc_get_rootfh(server, mntfh, &fsinfo, auth_probe);
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25 if (ret < 0) {
26 dprintk("nfs4_get_rootfh: getroot error = %d\n", -ret);
27 goto out;
28 }
29
30 if (!(fsinfo.fattr->valid & NFS_ATTR_FATTR_TYPE)
31 || !S_ISDIR(fsinfo.fattr->mode)) {
32 printk(KERN_ERR "nfs4_get_rootfh:"
33 " getroot encountered non-directory\n");
34 ret = -ENOTDIR;
35 goto out;
36 }
37
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38 memcpy(&server->fsid, &fsinfo.fattr->fsid, sizeof(server->fsid));
39out:
40 nfs_free_fattr(fsinfo.fattr);
41 dprintk("<-- nfs4_get_rootfh() = %d\n", ret);
42 return ret;
43}